What makes the fastest animals in world fastest?

Aerodynamics and streamlined bodies:

* Many fast animals have sleek, streamlined bodies, reducing drag and improving efficiency in air or water.

Long powerful muscles:

* Fast animals generally have long, powerful muscles.

Efficient cardiovascular systems:

* Efficient cardiovascular systems provide the required amount of oxygen and nutrients to fuel their speed.

Specialized limbs:

* Fast animals possess strong and muscular limbs for propulsion. For example, the legs of cheetahs, ostriches and horses.

Flexible joints:

* Flexible joints give extra power, reach and flexibility for speedy bursts and movements.

The combination of various adaptations creates the exceptional speed observed in these fascinating animals of our world.